{"action":"created","issue":{"url":"https://api.github.com/repos/pantsbuild/pants/issues/4477","repository_url":"https://api.github.com/repos/pantsbuild/pants","labels_url":"https://api.github.com/repos/pantsbuild/pants/issues/4477/labels{/name}","comments_url":"https://api.github.com/repos/pantsbuild/pants/issues/4477/comments","events_url":"https://api.github.com/repos/pantsbuild/pants/issues/4477/events","html_url":"https://github.com/pantsbuild/pants/issues/4477","id":222186561,"number":4477,"title":"Reapply the zinc upgrade in 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that should be resolved for the `1.4.0` stable branch.","creator":{"login":"stuhood","id":46740,"avatar_url":"https://avatars2.githubusercontent.com/u/46740?v=3","gravatar_id":"","url":"https://api.github.com/users/stuhood","html_url":"https://github.com/stuhood","followers_url":"https://api.github.com/users/stuhood/followers","following_url":"https://api.github.com/users/stuhood/following{/other_user}","gists_url":"https://api.github.com/users/stuhood/gists{/gist_id}","starred_url":"https://api.github.com/users/stuhood/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/stuhood/subscriptions","organizations_url":"https://api.github.com/users/stuhood/orgs","repos_url":"https://api.github.com/users/stuhood/repos","events_url":"https://api.github.com/users/stuhood/events{/privacy}","received_events_url":"https://api.github.com/users/stuhood/received_events","type":"User","site_admin":false},"open_issues":26,"closed_issues":5,"state":"open","created_at":"2017-04-07T17:21:58Z","updated_at":"2017-06-21T22:58:26Z","due_on":"2017-06-30T07:00:00Z","closed_at":null},"comments":12,"created_at":"2017-04-17T17:57:46Z","updated_at":"2017-06-28T01:52:51Z","closed_at":null,"body":"Testing internally, the new zinc release was much slower at doing incremental builds, ie 2x or more.\r\n\r\nWe should do some further testing and see if we can narrow down what the cause is and whether we should shoot for fixing it, leaving it in, or reverting it for 1.3.0."},"comment":{"url":"https://api.github.com/repos/pantsbuild/pants/issues/comments/311534498","html_url":"https://github.com/pantsbuild/pants/issues/4477#issuecomment-311534498","issue_url":"https://api.github.com/repos/pantsbuild/pants/issues/4477","id":311534498,"user":{"login":"stuhood","id":46740,"avatar_url":"https://avatars2.githubusercontent.com/u/46740?v=3","gravatar_id":"","url":"https://api.github.com/users/stuhood","html_url":"https://github.com/stuhood","followers_url":"https://api.github.com/users/stuhood/followers","following_url":"https://api.github.com/users/stuhood/following{/other_user}","gists_url":"https://api.github.com/users/stuhood/gists{/gist_id}","starred_url":"https://api.github.com/users/stuhood/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/stuhood/subscriptions","organizations_url":"https://api.github.com/users/stuhood/orgs","repos_url":"https://api.github.com/users/stuhood/repos","events_url":"https://api.github.com/users/stuhood/events{/privacy}","received_events_url":"https://api.github.com/users/stuhood/received_events","type":"User","site_admin":false},"created_at":"2017-06-28T01:52:51Z","updated_at":"2017-06-28T01:52:51Z","body":"Argh. Figured out what this was. See https://github.com/sbt/zinc/issues/317#issuecomment-311528021 for a summary. In the meantime, I ended up implementing #4513, and that also seems to be working in local tests.\r\n\r\nThe summary of TODOs for this is:\r\n1. Run a large scale test to confirm the speedup.\r\n1. Implement an alternative format for writing out product and dependency information that used to be parsed from the analysis (which is now binary).\r\n1. Confirm that #4513 correctly allows for incremental compiles for artifacts from the remote cache."}}
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